Rank	Countries/Territories	Count	Percent
1	United States	745	40.9%
2	China	542	29.7%
3	Germany	178	9.8%
4	Canada	65	3.6%
5		52	2.9%
6	France	49	2.7%
7	United Kingdom	34	1.9%
8	Netherlands	25	1.4%
9	Japan	20	1.1%
10	Singapore	13	0.7%
11	Switzerland	12	0.7%
12	Romania	12	0.7%
13	Cyprus	8	0.4%
14	Australia	7	0.4%
15	Hong Kong	6	0.3%
16	Latvia	6	0.3%
17	Taiwan	6	0.3%
18	Ukraine	5	0.3%
19	India	4	0.2%
20	Argentina	4	0.2%
21	Italy	3	0.2%
22	South Africa	3	0.2%
23	Mexico	2	0.1%
24	Russia	2	0.1%
25	Bangladesh	2	0.1%
26	Belgium	2	0.1%
27	Indonesia	2	0.1%
28	Iran, Islamic Republic of	2	0.1%
29	Ireland	2	0.1%
30	Hungary	2	0.1%
31	Korea, Republic of	1	0.1%
32	Philippines	1	0.1%
33	Poland	1	0.1%
34	Moldova, Republic of	1	0.1%
35	Mongolia	1	0.1%
36	Spain	1	0.1%
37	Turkey	1	0.1%